<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
        <form action="http://121.15.180.72/CmbBank_B2B/UI/NetPay/DoBusiness.ashx" method="post" >
                <input type="text" name="jsonRequestData" value='以上json字符串' /> 
                <input type="submit">
        </form>
</body>
</html>